. Handbook of birds of eastern North America . 50 KEY TO FAMILIES. A. Middle and outer toes joined for half their length, . . Family Al-cedinidce: Kingfishers (Fig. SC>), p. 226. B. Two toes in front and two behind. . Family Cuculidce: CucKooa(Fig. 36), p. Fig. 37. vdrder XV. Pici.—Woodpeckers. Toes four, two in front and two behind, or toes three, two in front andone behind; bill strong; tail-feathers stiff and pointed; nostrils more orless concealed by bristles. . Family Picidae: Woodpeckers (Fig. 37),p. 227.


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